GGUI::SnapshotOrder class

#include <GGUI/Public/Snapshot.h>

Draw order: slots of GGSnapshot::Primitives, back to front. Shared between snapshots while the set of visible things and their order doesn't change.

Constructors, destructors, conversion operators

SnapshotOrder() defaulted

Empty.

~SnapshotOrder()

SnapshotOrder(const SnapshotOrder& other)

A copy of the list, shared with nothing.

Public functions

auto operator=(const SnapshotOrder& other) -> SnapshotOrder&

The same, assigned.

auto Slots() const -> std::span<const uint32_t>

The slots, back to front.

auto Shares(const SnapshotOrder& other) const -> bool

True if both hold the same list object.

auto Bytes() const -> size_t

Memory held.

void ShareFrom(const SnapshotOrder* other)

Writer: share other's list (null: none).

void Take(std::vector<uint32_t>& slots)

Writer: take ownership of slots as a new list. slots is left empty.